Generic HV-900 Wireless Bluetooth Headphone for Cellphones iPhone Samsung HTC (Black) 100% Brand new, high quality excellent clear sound For stereo music and phone calls with built in microphone. Music controls include play, pause, next track and previous track Sweat-proof, durable design, Up to 8 hours of Talk/Playing Time and 150 hours Standby Time Using the world famous brands CSR4.0 Bluetooth Stereo Bluetooth chips Extended battery life !-Talk/Standby/Music Play Time : Up to 6 / 120 / 8hours CSR 8635 stereo Bluetooth chip, which guarantees high fidelity, Stable performance and excellent communication effect